Monday, August 24, 2009

Use Windows 7 (for Free) for 120 Days, Legally

It is possible to rearm Windows 7’s 30 day activation period up to three times (without violating the EULA), giving the user a maximum of 120 days before needing to activate Windows 7. With this tactic, users of Windows 7 can legally use any version until the RTM hits the stores in October.

To view how many days you have left in your grace period, simply go to the System Information page (right click “My Computer” and click Properties). When that number gets close to zero, go to your accessories and right click “Command Prompt” and click “Run as Administrator.”

Afterwards, type in “slmgr -rearm” without quotes. Then hit enter and restart Windows 7. You will now have 30 more days left, and it can be used twice more before you need to active your Windows 7.

However, beware. Install the version of Windows 7 that you are planning to buy. On Windows Secrets, the post explains that if you install Ultimate and re-arm it three times, you will need to activate it with an Ultimate key. You cannot use a Home Premium key to activate Ultimate, so unless you want to shell out for Ultimate, install the version that are planning to buy.

Now, enjoy your Windows 7 for 120 days. ;)

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